Stadium: Green Tennis Plaza - Court 05 Ground: Hardcourt outdoor
Referee:
| UTR Pro Noda | 2023/10/17 03:35 | Christopher Kosei Ono v Ryota Tanuma | 2-6,2-6 |
| UTR Pro Urayasu | 2024/10/20 02:14 | Shinde Yuzuki v Christopher Kosei Ono | 7-5,6-4 |
| UTR Pro Urayasu | 2024/10/19 04:30 | Joel Braund v Christopher Kosei Ono | 2-6,2-6 |
| UTR Pro Urayasu | 2024/10/18 05:00 | Haruki Katsushima v Christopher Kosei Ono | 6-1,6-3 |
| UTR Pro Urayasu | 2024/10/17 02:30 | Takeshi Maruta v Christopher Kosei Ono | 6-4,6-2 |
| UTR Pro Urayasu | 2024/10/14 02:45 | Yusuke Yoshikawa v Christopher Kosei Ono | 4-6,6-1,7-6 |
| UTR Pro Kawaguchi | 2024/08/18 02:11 | Taketo Takamisawa v Christopher Kosei Ono | 2-6,6-3,6-7 |
| UTR Pro Kawaguchi | 2024/08/17 03:56 | Christopher Kosei Ono v Yuki Karatsu | 6-1,6-1 |
| UTR Pro Kawaguchi | 2024/08/15 06:03 | Christopher Kosei Ono v Mao Takada | 6-1,6-2 |
| ITF M25 Takasaki | 2024/09/18 03:30 | Ryota Tanuma v Yusuke Takahashi | 2-6,2-6 |
| ITF M25 Takasaki | 2024/09/16 01:00 | Ryota Tanuma v Noritaka Koizumi | 6-2,6-7,10-4 |
| ITF M25 Sapporo | 2024/09/11 03:00 | Ryota Tanuma v Ryotaro Taguchi | 3-6,6-4,5-7 |
| ITF M25 Nakhon Si Thammarat | 2024/08/29 03:15 | Ryota Tanuma v Uisung Park | 6-7,3-6 |
| ITF M25 Nakhon Si Thammarat | 2024/08/27 02:00 | Hiroki Moriya v Ryota Tanuma | 0-6,6-4,3-6 |
| ITF M15 Nakhon Si Thammarat | 2024/08/20 04:05 | Ryota Tanuma v Leo Borg | 1-6,3-6 |
| ITF M15 Tokyo | 2024/07/13 05:30 | Ryota Tanuma v Shintaro Imai | 3-6,5-7 |
| ITF M15 Tokyo | 2024/07/12 04:05 | Ryota Tanuma v Taisei Ichikawa | 3-6,7-6,6-2 |